require 'rmagick'

# Demonstrate the Image#color_floodfill method

before = Magick::Image.new(200, 200) { |info| info.background_color = 'white' }
before.border!(1, 1, 'black')

circle = Magick::Draw.new
circle.fill('transparent')
circle.stroke_width(2)
circle.stroke('black')
circle.circle(100, 100, 180, 100)
circle.fill('plum1')
circle.stroke('transparent')
circle.circle(60, 100, 40, 100)
circle.circle(140, 100, 120, 100)
circle.circle(100, 60, 100, 40)
circle.circle(100, 140, 100, 120)
circle.draw(before)

before.write('color_floodfill_before.gif')

aquamarine = Magick::Pixel.from_color('aquamarine')
after = before.color_floodfill(100, 100, aquamarine)

after.write('color_floodfill_after.gif')
exit
